positive
positive — 名詞
1. one helpful side of a situation, especially when you are weighing what is good a
好處
情況中有利的一面
one helpful side of a situation, especially when you are weighing what is good and bad.
One positive of the new job is the short walk home.
這份新工作的好處之一，是走路一下就能回家。
one positive of + situation
Even after the loss, Coach Lin found a positive for the team.
即使輸了比賽，Coach Lin 還是替球隊看到一個好處。
a positive for + group
The storm canceled the picnic, but free museum tickets were one positive.
暴風雨讓野餐取消了，但免費的博物館門票算是一個好處。
Parents saw one positive in the longer school lunch break.
家長們認為，午餐時間變長是一個好處。
We listed the positives and negatives before renting the old house.
在租那棟老房子前，我們先列出好處和壞處。
- advantage
the most direct everyday word for a helpful point
- benefit
often stresses a useful result rather than one point in a comparison
- plus point
more informal and often used when listing good and bad points
文法句型
one positive of + situation
a positive for + person/group
the positives and negatives
用法筆記
Common when people are comparing advantages and problems, especially in 'one positive of ...' and 'the positives and negatives'. Distinguish from sense 2, which is about a test finding, not a benefit.
常見錯誤
2. a test finding that confirms the illness, chemical, drug, or other thing being c
陽性結果
檢驗本身的陽性判定
a test finding that confirms the illness, chemical, drug, or other thing being checked is there.
The home kit showed a positive after only two minutes.
家用快篩不到兩分鐘就顯示陽性。
show a positive
By noon, the lab had reported three positives from the class.
到了中午，實驗室已經通報班上有三個陽性結果。
reported three positives
Mina cried when the nurse called with a positive for flu.
護士打來說流感檢驗是陽性時，Mina 哭了。
A second swab gave the same positive as yesterday's test.
第二次採檢的結果，跟昨天一樣是陽性。
Airport staff stopped any passenger with a positive for the virus.
機場人員把任何檢出病毒陽性的旅客都攔了下來。
- positive result
the full neutral phrase, especially common in medical writing
- detection
more technical and stresses that the test found something present
- hit
informal, especially in drug testing or police reports
- negative
a result showing that the thing tested for was not found
文法句型
show/get/report a positive
a positive for + illness/drug/virus
three positives from + group
用法筆記
Often follows verbs such as 'show', 'get', 'report', and 'return'. It commonly takes 'for' plus the disease, drug, or substance that was found.
常見錯誤
3. a finished photograph whose light and dark parts match the real scene, often mad
正片
由底片沖出的正常照片
a finished photograph whose light and dark parts match the real scene, often made from a negative.
The shop printed two positives from our wedding film.
那家店用我們的婚禮底片洗了兩張正片。
print positives from film
Grandpa kept the negatives in one box and the positives in another.
Grandpa 把底片放在一個盒子裡，把正片放在另一個盒子裡。
positives and negatives
Under the lamp, Eva compared the positive with the painted wall.
在燈下，Eva 把那張正片和漆好的牆面比對。
The class learned how a negative becomes a positive in the darkroom.
這堂課教學生，底片怎麼在暗房裡變成正片。
The museum showed large positives beside the old cameras.
博物館把放大的正片擺在那些老相機旁邊。
- print
the usual photography word for a finished photo on paper
- photograph
the general everyday word, without the technical contrast with a negative
- enlargement
a positive printed at a larger size
- negative
the reversed film image from which a positive is made
文法句型
print a positive
a positive from a negative
positives and negatives
用法筆記
Mainly used in film photography and often contrasted with 'negative'. In modern everyday English, many learners are more likely to hear 'photo' or 'print' unless people are talking about film or darkroom work.
常見錯誤
positive — 形容詞
1. feeling that things are likely to go well, or making other people expect a good
樂觀；正向
對好結果有信心，或帶來希望
feeling that things are likely to go well, or making other people expect a good result.
After two strong interviews, Nina felt positive about the job.
經過兩場順利的面試後，Nina 對那份工作很樂觀。
be positive about + noun
The latest sales numbers gave the small shop a positive outlook.
最新的銷售數字，讓那家小店對前景更有希望。
positive outlook
Even after the storm, Mr. Wu stayed positive and reopened early.
即使暴風雨過後，Mr. Wu 仍保持樂觀，提早重新開店。
A positive message from the coach calmed the nervous team.
教練那則正面的訊息，讓緊張的隊伍平靜下來。
- optimistic
stronger about expecting a good future result
- hopeful
close in meaning, but slightly less firm than positive
- encouraging
used more for signs, news, or results than for a person's attitude
- negative
opposite in attitude or effect
- pessimistic
expecting bad results rather than good ones
文法句型
be positive about + noun/gerund
stay positive
a positive outlook
用法筆記
Often used with about, outlook, attitude, or sign. Distinguish from sense 2 CERTAIN: this sense looks toward a good result, while sense 2 expresses no doubt about a fact.
常見錯誤
2. so sure about a fact, answer, or explanation that no doubt is left.
肯定的
對真假或答案毫不懷疑
so sure about a fact, answer, or explanation that no doubt is left.
I'm positive that Leo left his keys on the kitchen table.
我很肯定 Leo 把鑰匙留在廚房桌上。
be positive that + clause
Detective Shah was positive the voice belonged to their driver.
Shah 警探很肯定，那個聲音就是他們的司機。
be positive + clause without that
The red stamp is positive proof that the form was approved.
那個紅色印章，就是表格已獲批准的鐵證。
Dr. Chen is positive the mark came from a cat bite.
Dr. Chen 很肯定，那個痕跡是貓咬造成的。
文法句型
be positive that + clause
be positive + clause without that
positive proof
用法筆記
Usually appears after be, especially in be positive (that).... Distinguish from sense 1 HOPEFUL, which is about expecting good results rather than knowing something is true.
常見錯誤
3. describing a test, scan, or result that shows a disease, drug, or other thing is
陽性的
指檢驗顯示某物存在
describing a test, scan, or result that shows a disease, drug, or other thing is present.
The lab report showed a positive result for lead in the water.
化驗報告顯示，水中的鉛檢測結果呈陽性。
positive result
Yesterday's flu test came back positive before lunch ended.
昨天的流感檢測在午飯前就回報陽性。
test came back positive
The airport scan gave a positive reading for metal.
機場掃描顯示有金屬反應。
The blood screen was positive, so the nurse called again.
那份血液篩檢呈陽性，所以護理師又打來了。
- negative
showing that the tested thing was not found
文法句型
a positive test/result
the test came back positive
a positive reading
用法筆記
Usually modifies nouns such as test, result, screen, reading, and report. Distinguish from sense 4 TESTED POSITIVE, where the subject is the person, animal, sample, or thing that received the result.
常見錯誤
4. describing a person, animal, sample, or object whose test has shown something pr
驗出陽性
指人或物檢驗結果為陽性
describing a person, animal, sample, or object whose test has shown something present.
Maya tested positive for flu after the school trip.
Maya 在校外教學後驗出流感陽性。
test positive for + illness
Two milk samples were positive for bacteria by Friday morning.
到了週五早上，兩份牛奶樣本都驗出細菌陽性。
be positive for + substance
The dog was positive for worms during its first check.
那隻狗第一次檢查時，驗出體內有蟲。
After the race, one rider tested positive for a banned drug.
賽後有一名車手驗出禁藥陽性。
- infected
only for living things and only when the test is for disease
- contaminated
used for food, water, or objects rather than people
- negative
having a test result that does not show the suspected thing
文法句型
test positive for + noun
be positive for + noun
sample was positive for + substance
用法筆記
Common after linking verbs and especially in the pattern test positive for .... Distinguish from sense 3 SHOWING PRESENCE, where positive describes the test, report, or result itself.
常見錯誤
5. in grammar, describing a sentence or phrase that states something and is not neg
肯定句
文法上指非否定、非疑問句
in grammar, describing a sentence or phrase that states something and is not negative or a question.
In class, "I like apples" is a positive sentence.
在課堂上，"I like apples" 是肯定句。
positive sentence
The teacher changed the question into a positive statement.
老師把那個問題改成了肯定陳述句。
positive statement
Our workbook asks students to turn each negative clause positive.
我們的習作要學生把每個否定子句改成肯定句。
During practice, Ken wrote three positive sentences and one question.
練習時，Ken 寫了三個肯定句和一個問句。
- affirmative
the closest grammar term
- declarative
close, but declarative focuses on sentence type and can still be negative
- negative
contains grammatical negation
- interrogative
used for questions rather than statements
文法句型
a positive sentence
a positive statement
turn a clause positive
用法筆記
Grammar term for sentences or clauses that state something without negation. Distinguish from sense 6 BASE DEGREE, which is about adjective and adverb forms such as tall or quickly.
常見錯誤
6. in grammar, describing the basic form of a word like tall or fast, before compar
原級的
形容詞或副詞的原級
in grammar, describing the basic form of a word like tall or fast, before comparison is added.
In grammar, "tall" is the positive form of the adjective.
在文法裡，"tall" 是那個形容詞的原級。
positive form
The worksheet pairs the positive adverb "fast" with "faster" and "fastest".
那份講義把原級副詞 "fast" 和 "faster"、"fastest" 配在一起。
positive adverb
Before learning comparison, the class reviewed positive adjectives like "small".
學比較級前，全班先複習了像 "small" 這樣的原級形容詞。
The chart shows each word in its positive, comparative, and superlative forms.
那張表把每個字的原級、比較級和最高級都列出來了。
- base form
a common teaching label for the unmodified form
- plain form
less technical and less common in grammar books
- comparative
shows a higher or lower degree
- superlative
shows the highest or lowest degree
文法句型
the positive form of an adjective
a positive adverb
in the positive form
用法筆記
Used only when talking about degrees of comparison. Distinguish from sense 5 AFFIRMATIVE SENTENCE, which is about whole clauses rather than single describing words.
常見錯誤
7. used before a noun to stress that something is total or absolute.
十足的
加強語氣，表示完全
used before a noun to stress that something is total or absolute.
That traffic jam was a positive disaster for the wedding schedule.
那場塞車讓婚禮流程成了十足的災難。
intensifier before a negative noun
Everyone agreed that Greg was a positive fool to sell the farm.
大家都認為，Greg 賣掉那座農場真是個十足的傻瓜。
By noon, the leaking pipe had become a positive nuisance.
到了中午，那根漏水的管子已經成了十足的麻煩。
The broken lift was a positive nightmare for Grandma Lee.
壞掉的電梯對 Grandma Lee 來說簡直是一場十足的惡夢。
- partial
not total or not complete
文法句型
positive + noun
用法筆記
Only used before a noun. It often appears with strongly negative nouns such as disaster, fool, nuisance, or nightmare, where it adds force rather than the usual sense of something good.
常見錯誤
8. used for figures or quantities that are above zero.
大於零
數值或數量在零以上
used for figures or quantities that are above zero.
Any positive number on this side of the line is red.
這條線這一邊任何大於零的數都標成紅色。
collocation: positive number
After payday, Mia's bank balance was positive again.
發薪日後，Mia 的銀行餘額又回到正數。
collocation: positive balance
The graph stayed positive until sales fell in October.
到了十月銷售下滑前，那條圖線一直都在零以上。
If x is positive, the answer must be above zero.
如果 x 大於零，答案就一定在零以上。
- above zero
the plain explanatory phrase for this sense
- plus
used especially for values or directions marked with a plus sign
- greater than zero
more formal wording, especially in maths
文法句型
positive + number/value/balance
用法筆記
Common in maths, science, and finance. It often modifies words such as number, value, balance, or result and only describes a value on the plus side of zero.
常見錯誤
9. having an electric charge in which protons outnumber electrons.
帶正電
電荷為正，電子較少
having an electric charge in which protons outnumber electrons.
After the spark, the metal ball was positive for a moment.
火花出現後，那顆金屬球短暫帶正電。
The diagram shows a positive ion near the top plate.
圖上顯示一個帶正電的離子靠近上方的板子。
collocation: positive ion
When electrons leave the atom, it becomes positive.
當電子離開原子時，它就會帶正電。
The red wire connects to the positive terminal on the battery.
紅線接到電池上的正極端。
- positively charged
the full descriptive phrase for this scientific sense
- cationic
a more technical word, usually in chemistry
- negative
having the opposite electric charge
文法句型
positive + charge/ion/terminal
用法筆記
Usually used with charge, ion, terminal, pole, or electrode. Distinguish from adjective/3 and adjective/4, where positive is about test results rather than electricity.
常見錯誤
10. having the Rh marker in the blood and shown with a plus sign after the blood gro
Rh陽性
血型帶有Rh因子
having the Rh marker in the blood and shown with a plus sign after the blood group.
Nora is O positive, so the nurse checked both labels twice.
Nora 是 O 型 Rh陽性，所以護士把兩個標籤都核對了兩次。
blood group + positive
The baby turned out to be A positive like his father.
結果那個嬰兒和父親一樣是 A 型 Rh陽性。
Ken wrote B positive on the school health form.
Ken 在學校健康表上寫了 B 型 Rh陽性。
Her donor card shows AB positive in bold black letters.
她的捐血卡上用粗黑字寫著 AB 型 Rh陽性。
- Rh-positive
the standard medical label
- plus
short form used after the blood-group symbol, as in O-plus
- Rh-negative
without the Rh marker
文法句型
A/B/AB/O + positive
用法筆記
Usually follows a blood-group letter or name, as in A positive or O positive. In medical writing it is often shortened to a plus sign, as in B+.
常見錯誤
11. describing an image whose light and dark areas look the same as in the real scen
正像
影像明暗與實物一致
describing an image whose light and dark areas look the same as in the real scene.
The lab printed a positive image from the old film strip.
沖印店用那卷舊底片洗出一張正像。
collocation: positive image
In a positive photo, the sky stays light and the coat stays dark.
在正像照片裡，天空會保持明亮，外套也會保持深色。
Mina compared the negative with the final positive under a lamp.
Mina 在燈下把底片負像和最後的正像拿來比較。
The teacher showed a positive print beside the reversed negative frame.
老師把一張正像照片放在反轉的負片旁邊示範。
- true-to-life
broader phrase for an image whose tones match reality
- natural-looking
more everyday wording and less technical than the photographic term
- negative
an image with light and dark areas reversed
文法句型
positive + image/print
用法筆記
Usually used with image, print, or film and often contrasted with negative. The key idea is that the tones match the real subject instead of being reversed.